Stercorite Mineral Data + 
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- 39.3.1.1 Stercorite H(NH4)Na(PO4)·4(H2O) P1 1
- VII/C.23-10 Struvite (NH4)MgPO4·6(H2O) P mn21 mm2
- VII/C.23-20 Dittmarite (NH4)Mg(PO4)·(H2O) P mn21 mm2
- VII/C.23-30 Niahite (NH4)(Mn,Mg,Ca)PO4·(H2O) P mn21 mm2
- VII/C.23-40 Hannayite (NH4)2Mg3H4(PO4)4·8(H2O) P1 1
- VII/C.23-50 Schertelite (NH4)2MgH2(PO4)2·4(H2O) P bca 2/m 2/m 2/m
- VII/C.23-60 Stercorite H(NH4)Na(PO4)·4(H2O) P1 1
- VII/C.23-65 Swaknoite (NH4)2Ca(HPO4)2·(H2O) Unk Ortho
- VII/C.23-70 Mundrabillaite (NH4)2Ca(HPO4)2·(H2O) Pm,P 2,P 2/m Mono
General Stercorite Information |
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 Chemical Formula: |
H(NH4)Na(PO4)·4(H2O) | ||
| Composition: |
Molecular Weight = 209.07 gm | ||
| Sodium 11.00 % Na 14.82 % Na2O | |||
| Phosphorus 14.82 % P 33.95 % P2O5 | |||
| Hydrogen 1.93 % H - % Calc as (NH4)2O | |||
| Hydrogen 4.34 % H 38.78 % H2O | |||
| Nitrogen 6.70 % N 12.45 % (NH4)2O | |||
| Oxygen 61.22 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
H(NH4)Na(PO4)·4(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1850 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 2036 | ||
| PDF 24-1048 | |||
Search for Stercorite Images | |||
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Images:
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Stercorite Crystallography |
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| Axial Ratios: |
a:b:c =0.6519:1:0.6064 | ||
| Cell Dimensions: |
a = 6.921, b = 10.616, c = 6.438, Z = 2; alpha = 98.29°, beta = 90.42°, gamma = 71.16° V = 442.99 Den(Calc)= 1.57 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 6.53(1), 9.93(0.95), 4.24(0.55), | ||
Physical Properties of Stercorite |
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| Cleavage: |
None | ||
| Color: |
Colorless, White, Yellowish, Brownish. | ||
| Density: |
1.554 | ||
| Diaphaniety: |
Transparent | ||
| Hardness: |
2 - Gypsum | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Stercorite |
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| Gladstone-Dale: |
CI meas= -0.304 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.29 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2866,KPDmeas= 0.2896,KC= 0.2221 |
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| Optical Data: |
Biaxial (+), a=1.439, b=1.442, g=1.469, bire=0.0300, 2V(Calc)=38, 2V(Meas)=35.567. | ||
Calculated Properties of Stercorite |
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| Electron Density: |
relectron=1.65 gm/cc |
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| Fermion Index |
Fermion Index = 0.06705 Boson Index = 0.93295 |
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| Photoelectric: |
PEStercorite = 1.00 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Stercorite is Not Radioactive |
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Stercorite Classification |
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| Dana Class: |
39.3.1.1 (39)Hydrated Acid Phosphates, etc | ||
| (39.3)with miscellaneous formulae | |||
| (39.3.1)Dana Group | |||
| Strunz Class: |
VII/C.23-60 VII - Phosphates, Arsenates and Vanadates | ||
| VII/C - Water-bearing phosphates without unfamiliar anions, cations of medium and big size: Fe, Mn, Zn, Mg and Ca, (NH4)1+ | |||
| VII/C.23 - Struvite - Mundrabillaite series | |||
Other Stercorite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Stercorite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Stercorite using: Visit our Advertisers for Stercorite : Translate Stercorite Mineral Data : Ask about Stercorite here : Print or Cut-and-Paste your Stercorite Specimen Label here :
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